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拿破崙三角形
Author:
羅驥韡 (Pegasus Roe)
說明影片：
http://youtu.be/q9nxM2MYOVE
GeoGebra
New Resources
盈利與虧蝕
活动三：应用性质
科赫雪花
三角函数 的副本
异形操场
Discover Resources
拋物線之極偶 / polarity for parabola
Redefining Trigonometry by a Unit Circle
生长弧
二次函数动点问题25
二重积分的计算-截面法求体积
Discover Topics
Right Triangles
Sequences and Series
Statistical Characteristics
Matrices
Surface